## (Solved) Students at a major university are complaining of a serious housing crunch.

Students at a major university are complaining of a serious housing crunch. Many of the university's students, they complain, have to commute too far to school because there is not enough housing near campus. The university officials respond with the following information: the mean distance commuted to school by students is 16.9 miles, and the standard deviation of the distance commuted is 4.0 Â miles.

Assuming that the university officials' information is correct, complete the following statements about the distribution of commute distances for students at this university.

(a) According to Chebyshev's theorem, at least 84% of the commute distances lie between

miles

and

miles

(b) According to Chebyshev's theorem, at least of the commute distances lie between 8.9 miles and 24.9.

(c) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately of the commute distances lie between 8.9 miles and 24.9.

(d) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately 68% of the commute distances lie between

miles

and

miles

.

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This question was answered on: Sep 05, 2019

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